Fluid filter



July 1, 1944.

J. F. AUBERSCHEK FLUID FILTER Filed Nov. 17, 1941 ATTORNEYS JOSEPH FAUBERSCHEK IIHIIIUI 1 .f @mum mensa .1m11.194s

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My inventionhasfor its primaryobiectto prof vide a iluid lter having nested thereinaltl'elr-nating screen plates and filtering. rnate'ria'l,conipact,-.-A

ly assembled in a housing, whereby amani'rnum volume of iiuid is filtered within a `ininiminn,are@.

Other objects of my invention are:

To provide a unit composite filtering cartridge which can by simple manual action .extracted from a housingfor removal and filtering material.

Another object of :ny inventionris to i'novideA valve control means associated `with the` Alterhousing. whereby said filterV unit,when renewed., may be quickly washed or cleansed.to4 elirninatc:`

impurities and coloring matter from-.the renewed filter prior to filtration of the `fluid for domestic `or commercial uses.

A further object of my invention is to provide means for venting the filter incidental` t0 ltrnf. tion of the fluid.

valve `control means;` combined for the purpose .of eifectually dr the filtering rnetexlel.` i

A further object of my` invention is to provide` a filter capable of effectually eliminating all loreign elements from water, whereby same isgpurif fled `to be used for drinking purposes, photograph finishing laboratories or softI drink manu,-

facturers; it being further understood, thatthe. :literals capable of ei'fectuallv` iilteringoilsofnny nature and particularly acid solutionswhereby the cloudy or color liquidis cleared up. The def vice is also capable of effective `wherein cnt ton, coarse cloth or wood pulp may be employed as the pad element between metal screens.

For example, in filtering water, in practice it has been found advisable `to use cotton lyers or cloths, whereas, for slow filtration, to eii'ectuolly clear up cloudy water. wood pulp may be and wood pulp may also be `used for oils and ,acid solutions.

With the above and other minor objects inA view, my invention consists in certain IiecuJisti-` ties ot construction and combination ,o fpantsgag. will be hereinafter fully set forth withreference `renewal 9i .the

kilns the .lter'irlor torenewal-ol to the accompanying drawing and subacqueoTriatly.,

claimed.

In the drawing: Figure l represents a side elevation of a filter embodying the features of my invention, thevsame part showing the head and `valve control con.-`

nection from the source of iiuid supply ,todisf charge and to drainage. l

Figure 2 is an enlarged longitudinal sectional* section being indicatedlbylf i view of the filter, the line `bf2 oi Figure 3.

Figure 3 is a transversevsectional view of y,the illter, the section being indicated by Vline, o! Figure 2.

AnotherobJeet ef my invention iste provide the;

Figuren/wis g. .transyerse sectional View of said L f ilarsectionaielevation or the nltei-fliftingimeansythe ysection being indicated by line mofwll'lsure- .byiollereoersto theldrewins. I lnlll 3191.151118,- the bottom 2' 0f with a centrally disposed fluid o the .ellaonel .l'is'llered to form e il-.l oeh/'ins Pocket' 5,. Therooket le shouldered tits periphery for thereception of ,l ,wliic-` disc is-coniined by a flange l which' extendsfuowerdly from the housing bottom, the louter.circular.' walls of whichl are prelerebly'teeled indicated in Flllfe 2- 'l'he-lilterdleo'lfformsa Solid 'for e P111- ralityv of' nested v metallic l'llterl plates 1t being llnderstoodfthatu said-platesifnomithe `top to the bottone! thefees." are progressively formed rouler aux `from coarserfto Vfiner-mashed perforations. The

diselbyfa llijea`.`g: lehiscrews! `carrying a pivoted ring y o'i the housing between the `inwardly tapered walloi the nange 1` and the circuler" ineeewellioli the" "housing .has loosely IlttedtheQeio-e rios lwhlieh ries is Provided phlirality, ofdownwardly extending nibs il.' ad ypteclgto,res i; upon the `bottom of the housing land` .to spaceztheY bottom i of the' ring l Ill thereiromtwhlerebyia water*` channel at this point is dos thereto et dlemetl'loelly opposite -pointaa pair-.fot colarse' wire loops I I.

isslightly below the upper n angef|,the vsaid upper edge of the finngesi'orms ,aVoir-,cular compression point for the `pad` andinciv:lentallyI the bottom of the pad is 'also -,cornprossettildoxqvnwardly in to the cavity of theqhouslng ,above they ring lIleand also said pad .d0 'of-iilter iiiairqexfir1.1l is snugly pressed against'the emersione e8 molested by o 'letailed sectional view illustratzhenizernisc s, limcicwving so the gang of discs l. After this filter pad -A is thus adjusted to the bottom of the housing'the double metallic circular screen B is tightly fitted upon the upper surface of said pad.

The screen By embodies a lower metallic screen disc I3 and an upper metallic screen disc I3'. The said disc has depending lugs I4 engaging the disc I3, whereby the companion pair of discs are spaced apart to form a free circulating water channel.

The disc umts of the double screen are secured together by a nut and bolt I8, the upper extension of said bolt serving as a manipulating handle.

Mounted upon the upper screen I3 and pressed snugly against all juxtaposed surfaces, is a second filter pad C.` A capping perforated filtering disc IB is "pressed against the upper surface of the pad C `and said capping disc is provided with a plurality of depending lugs I8' which serve as .compression fingers for the pad C. The capping disc is provided with a centrally positioned nut and bolt manipulating handle I'I, whereby said disc is yconveniently removedor inserted into position.

As best shown in Figure 3 of the drawing.` all of the discs, making up the filter cartridge, are diametrically cut away at IB tovencompass the plate I2, which forms part of the manipulating bail or handle, whereby the entire cartridge is deposited within the housing or extracted therefrom.

While I have shown and. described the filtering cartridge composed of a pair of cotton' lter Pads. it is obvious that cloth or wood-fiber may be substituted therefore, and furthermore, in some instances, I may employ a greater number of filter pads interspersed with metallic screens.

The housing I, is provided with a removableconnected to a fluid distributing'pipe 23'.having a valve 24. The fluid distributing pipe 23' supplies filtered water to any predetermined point.

A main drain pipe 25 provided with a valve 28, f

communicates with the discharge plDeZS and distrlbuting pipe 23', the said drain pipe serving to discharge waste into any suitable outlet.

' A small drain pipe 2'I having a valve 21' communicates with the bottom of the housing directly under the ring. Il) and also with the main drain pipe 25 belowthe valve 26. l y

Y Hence the filter housing can be readily flushed and drained by closing valve 24 and opening valves 26 and 21.

4Asbest shown in Figure 1, when the device is filtering fluid, the valves 22' and 2B are open. Hence, the filtered fluid flows through the pipe 23 and 23 to any source of distribution. When the pads A and C become clogged with foul matter,

through usage, and it is desired to renew same, the valves 22' and 24 are closed, andthe valves 26 and 21 are opened, and alsothe vent valve 2I, to relieve possible vacuum.

'."he stagnant fluid within the housing will then completely drain ofi from the channel 3 through these pipe connections4 to the sewer or waste, and alsothrough the pipe 21. f 'l.",hereaf'ter ,l the cover I 9 is removed and the filter cartridge is manually extracted from the housing by means of the balls I I. In the event that cotton is used for filter pads, the same would be removed and fresh cotton pads placed in position, it being obvious that the renewal of fresh pads would be effected by disen-v gaging the retaining metallic screen members B and cap member I6.

I n the event that filter cloths are used, the same when removed could be readily cleaned by any suitable means and also, should wood pulp be used, the same can be processed or cleaned readily and replaced.

It should be borne in mind, in order to produce maximum results, the filter pads, irrespective of what material they are composed, must be pressed snugly down, whereby the edges will fill up all grooves or crevasses. After the fresh filter pads are in place, they should be subjected to a stream of water to thoroughly clear same of any impurities, prior to a filtering operation and this is effected by simply opening the supply valve 22', it being understood that the other two valves are open. Hence, the fluid supply will in a few seconds flow through the filter to the sewer or waste. In thisA operation the petcock 2I is opened to permit the escape of foul gases, etc. Thereafter, the valves 26 and 21' controlling the waste to the sewer, will be closed also the pet cock 2|,

and the full supply of water will be thoroughly filtered and delivered to the point of use for drinking or other purposes.

While I have shown and described a simple exempliflcation of my invention minutely as to detail, it is understood that I may vary the structural features within the scope of the claims.

IA claim:

l. A fluid filter, comprising a housing having inlet and discharge pipe connections at its ends, a flange extending upwardly from the bottom of the housing, the same being provided with an internal shoulder spaced above said bottom. a filter unit embodying a plurality of perforated discs seated upon the flanged shoulder to form a water pocket thereunder in communication with the discharge pipe connection, a ring removably fitted to the bottom of the housingabout its flanged portion, .hails extending upwardly from the ring adjacent the inner walls of said housing and terminating near the inlet end of the same, a plurality of filter pads, screened discs interposedvbetween the pads, the bottom surface of the lower pad engaging the flange shoulder of the housing and bail carrying ring, said filter pads ,constituting a removable cartridge.

2. In a fluid filter, a housing having a fluid inlet adjacent to its upper end and a main fluid discharge outlet at its lower end, a filter cartridge mounted in the housing between the inlet andV the outlet, a fluid distributing pipe, a main fluid drain pipe, :a fluid discharge pipe communicating with the discharge outlet of the housing, said fluid discharge pipe having connection both with the distributing pipe and the main fluid drain pipe, valve means for controlling the .flow of vfluid from the discharge pipe either through the f siren 

